The sleeper races that could jolt Election Day

<p>It's the homestretch to the elections, and strategists on both sides are still trying to redefine the midterms map in the way that will best aid their party. Brianne Pfannenstiel, chief politics reporter at the Des Moines Register, and Kyle Clark, a reporter for KUSA in Denver, join Chuck to break down how Iowa and Colorado might also end up being states to watch as the results roll in.</p>